ci: add ESLint workflow

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install system dependencies
         run: |
@@ -28,7 +28,7 @@ jobs:
           components: rustfmt, clippy
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/registry
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install glib-compile-schemas
         run: sudo apt-get update -q && sudo apt-get install -y libglib2.0-bin

.github/workflows/eslint.yml

@@ -0,0 +1,40 @@
+name: ESLint
+
+on:
+  push:
+    branches: [ 'main' ]
+  pull_request:
+    branches: [ 'main' ]
+  schedule:
+    - cron: '33 14 * * 5'
+
+jobs:
+  eslint:
+    name: Run eslint scanning
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      # Required for private repositories by github/codeql-action/upload-sarif
+      actions: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - name: Install
+        run: |
+          npm install eslint@^10.0.0 @eslint/js@^10.0.0
+          npm install @microsoft/eslint-formatter-sarif@2.1.7
+
+      - name: Lint
+        run: >
+          npx eslint .
+          --format @microsoft/eslint-formatter-sarif
+          --output-file eslint-results.sarif
+        continue-on-error: true
+
+      - name: Report
+        uses: github/codeql-action/upload-sarif@v4
+        with:
+          sarif_file: eslint-results.sarif
+          wait-for-processing: true